#5757EB#5757EB

#5757EB is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.7% C 0.217 H 276.5°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5757EB
RGB	rgb(87, 87, 235)
HSL	hsl(240, 79%, 63%)
HSV	hsv(240, 63%, 92%)
CMYK	cmyk(63%, 63%, 0%, 7.8%)
CIE-LAB	lab(45.41, 43.81, -74.79)
CIE-LCH	lch(45.41, 86.67, 300.36°)
OKLab	oklab(54.74% 0.0245 -0.2155)
OKLCH	oklch(54.74% 0.217 276.5)
XYZ	xyz(22.3292, 14.8389, 80.2687)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757EB #EBEB57

analogous

#57A1EB #5757EB #A157EB

triadic

#5757EB #EB5757 #57EB57

tetradic

#5757EB #EB57A1 #EBEB57 #57EBA1

square

#5757EB #EB57A1 #EBEB57 #57EBA1

split-complementary

#5757EB #EBA157 #A1EB57

monochromatic

#1515B2 #2020E4 #5757EB #8E8EF2 #C4C4F8

Accessibility & contrast

On white

5.29

#5757EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5757EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757EB

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757EB	#FFFFFF	#000000	##FFFFFF
##5757EB	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F0

Deuteranopia (green-blind)

#0065E8

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5757eb;
/* rgb */ color: rgb(87, 87, 235);
/* oklch */ color: oklch(54.7% 0.217 276.5);

Tailwind

colors: {
  custom: {
    50: '#9687f3',
    500: '#5757eb',
    950: '#000000',
  },
}

SCSS

$custom: #5757eb;
$custom-light: #9687f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5757eb",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 240,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.54742,
    "c": 0.21693,
    "h": 276.5
  },
  "luminance": 0.14841
}

Semantic roles & 50–950 ramp

primary

#5757EB

secondary

#E9E9B4

accent

#DB0ADB

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5757EB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →